public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$matrix = $this->_matrix;
$matrix_width = count($matrix);
$matrix_sum = array_sum($matrix);
$m_offset = floor($matrix_width / 2);
$p1 = $p2 = array();
for ($y = 0; $y < $height; $y++) {
for ($x = 0; $x < $width; $x++) {
$color = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
$p1[$x][$y]['r'] = $color['red'];
$p1[$x][$y]['g'] = $color['green'];
$p1[$x][$y]['b'] = $color['blue'];
$p1[$x][$y]['a'] = $color['alpha'];
$p2[$x][$y]['r'] = 255;
$p2[$x][$y]['g'] = 255;
$p2[$x][$y]['b'] = 255;
$p2[$x][$y]['a'] = 127;
}
}
$temp = new Canvas();
$temp->createImageTrueColorTransparent($width, $height);
imagesavealpha($temp->image, true);
imagealphablending($temp->image, true);
for ($i = $m_offset; $i < $width - $m_offset; $i++) {
for ($j = $m_offset; $j < $height - $m_offset; $j++) {
$sumr = $sumg = $sumb = $suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xx = $i - ($matrix_width >> 1) + $k;
$sumr += $p1[$xx][$j]['r'] * $matrix[$k];
$sumg += $p1[$xx][$j]['g'] * $matrix[$k];
$sumb += $p1[$xx][$j]['b'] * $matrix[$k];
$suma += $p1[$xx][$j]['a'] * $matrix[$k];
}
$p2[$i][$j]['r'] = $sumr / $matrix_sum;
$p2[$i][$j]['g'] = $sumg / $matrix_sum;
$p2[$i][$j]['b'] = $sumb / $matrix_sum;
$p2[$i][$j]['a'] = $suma / $matrix_sum;
}
}
for ($i = $m_offset; $i < $width - $m_offset; $i++) {
for ($j = $m_offset; $j < $height - $m_offset; $j++) {
$sumr = $sumg = $sumb = $suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xy = $j - ($matrix_width >> 1) + $k;
$sumr += $p2[$i][$xy]['r'] * $matrix[$k];
$sumg += $p2[$i][$xy]['g'] * $matrix[$k];
$sumb += $p2[$i][$xy]['b'] * $matrix[$k];
$suma += $p2[$i][$xy]['a'] * $matrix[$k];
}
$col = imagecolorallocatealpha($temp->image, $sumr / $matrix_sum, $sumg / $matrix_sum, $sumb / $matrix_sum, $suma / $matrix_sum);
imagesetpixel($temp->image, $i, $j, $col);
}
}
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$mx = array(array(-0, 0, 0), array(-1, 0, 1), array(-0, 0, 0));
$my = array(array(0, 1, 0), array(0, 0, 0), array(-0, -1, -0));
$p = array();
for ($y = 0; $y < $height; $y++) {
for ($x = 0; $x < $width; $x++) {
$rgb = $this->_owner->imagecolorat($x, $y);
$arrRgb = Color::intColorToArrayColor($rgb);
$p[$x][$y]['r'] = $arrRgb['red'];
$p[$x][$y]['g'] = $arrRgb['green'];
$p[$x][$y]['b'] = $arrRgb['blue'];
}
}
for ($y = 1; $y < $height - 1; $y++) {
for ($x = 1; $x < $width - 1; $x++) {
$sumXr = $sumXg = $sumXb = $sumYr = $sumYg = $sumYb = 0;
for ($i = -1; $i <= 1; $i++) {
for ($j = -1; $j <= 1; $j++) {
$sumXr = $sumXr + $p[$x + $i][$y + $j]['r'] * $mx[$i + 1][$j + 1];
$sumXg = $sumXg + $p[$x + $i][$y + $j]['g'] * $mx[$i + 1][$j + 1];
$sumXb = $sumXb + $p[$x + $i][$y + $j]['b'] * $mx[$i + 1][$j + 1];
$sumYr = $sumYr + $p[$x + $i][$y + $j]['r'] * $my[$i + 1][$j + 1];
$sumYg = $sumYg + $p[$x + $i][$y + $j]['g'] * $my[$i + 1][$j + 1];
$sumYb = $sumYb + $p[$x + $i][$y + $j]['b'] * $my[$i + 1][$j + 1];
}
}
$sumr = abs($sumXr) + abs($sumYr);
$sumg = abs($sumXg) + abs($sumYg);
$sumb = abs($sumXb) + abs($sumYb);
if ($sumr > 255) {
$sumr = 255;
}
if ($sumg > 255) {
$sumg = 255;
}
if ($sumb > 255) {
$sumb = 255;
}
if ($sumr < 0) {
$sumr = 0;
}
if ($sumg < 0) {
$sumg = 0;
}
if ($sumb < 0) {
$sumb = 0;
}
$color = imagecolorallocate($this->_owner->image, 255 - $sumr, 255 - $sumg, 255 - $sumb);
imagesetpixel($this->_owner->image, $x, $y, $color);
}
}
return true;
}
public function generate()
{
$findColor = Color::hexColorToArrayColor($this->_find);
$replaceColor = Color::hexColorToArrayColor($this->_replace);
$index = imagecolorclosest($this->_owner->image, $findColor['red'], $findColor['green'], $findColor['blue']);
//find
imagecolorset($this->_owner->image, $index, $replaceColor['red'], $replaceColor['green'], $replaceColor['blue']);
//replace
unset($index);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$padding = $this->_padding;
$arrColor = Color::hexColorToArrayColor($this->_color);
$temp = new Canvas();
$temp->createImageTrueColor($width + $padding * 2, $height + $padding * 2);
$tempcolor = imagecolorallocate($temp->image, $arrColor['red'], $arrColor['green'], $arrColor['blue']);
imagefill($temp->image, 0, 0, $tempcolor);
imagecopy($temp->image, $this->_owner->image, $padding, $padding, 0, 0, $width, $height);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
$alt = 0;
imagesavealpha($this->_owner->image, true);
imagealphablending($this->_owner->image, true);
$color = Color::hexColorToArrayColor($this->_color);
$light = imagecolorallocatealpha($this->_owner->image, $color['red'], $color['green'], $color['blue'], $this->_light_alpha);
$dark = imagecolorallocatealpha($this->_owner->image, $color['red'], $color['green'], $color['blue'], $this->_dark_alpha);
for ($x = 0; $x < $this->_owner->getImageHeight(); $x += $this->_width) {
if ($alt++ % 2 == 0) {
imagefilledrectangle($this->_owner->image, 0, $x, $this->_owner->getImageWidth(), $x + $this->_width - 1, $light);
} else {
imagefilledrectangle($this->_owner->image, 0, $x, $this->_owner->getImageWidth(), $x + $this->_width - 1, $dark);
}
}
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$temp = new Canvas();
if (!empty($this->_color)) {
$temp->createImageTrueColor($width + ($this->_right + $this->_left), $height + ($this->_top + $this->_bottom));
$arrColor = Color::hexColorToArrayColor($this->_color);
$tempcolor = imagecolorallocate($temp->image, $arrColor['red'], $arrColor['green'], $arrColor['blue']);
imagefilledrectangle($temp->image, 0, 0, $temp->getImageWidth(), $temp->getImageHeight(), $tempcolor);
} else {
$temp->createImageTrueColorTransparent($width + ($this->_right + $this->_left), $height + ($this->_top + $this->_bottom));
}
imagecopy($temp->image, $this->_owner->image, $this->_left, $this->_top, 0, 0, $width, $height);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function drawFaceRectangle($color = 'FF0000')
{
imagerectangle($this->_owner->image, $this->face['x'], $this->face['y'], $this->face['x'] + $this->face['w'], $this->face['y'] + $this->face['w'], Color::hexColorToIntColor($color));
return $this;
}
public function generate()
{
$src_x = $this->_owner->getImageWidth();
$src_y = $this->_owner->getImageHeight();
$temp = new Canvas();
$temp->createImageTrueColorTransparent($src_x, $src_y + 20);
$text = str_replace('[Filename]', $this->_owner->getProperty('filename'), $this->_info);
switch ($this->_position) {
case 't':
$x = 0;
$y = 20;
$bar_y = 0;
$text_y = 3;
break;
case 'b':
$x = 0;
$y = 0;
$bar_y = $src_y + 20;
$text_y = $bar_y - 20 + 3;
break;
default:
return false;
break;
}
switch ($this->_justify) {
case 'l':
$text_x = 3;
break;
case 'c':
$text_x = ($src_x - imagefontwidth($this->_font) * strlen($text)) / 2;
break;
case 'r':
$text_x = $src_x - 3 - imagefontwidth($this->_font) * strlen($text);
break;
}
//Draw the bar background
$color = Color::hexColorToArrayColor($this->_barcolor);
$bar_color = imagecolorallocate($temp->image, $color['red'], $color['green'], $color['blue']);
imagefilledrectangle($temp->image, 0, $bar_y, $src_x, 20, $bar_color);
//Copy the image
imagecopy($temp->image, $this->_owner->image, $x, $y, 0, 0, $src_x, $src_y);
//Draw the text (to be replaced with image_draw_text one day
$color = Color::hexColorToArrayColor($this->_textcolor);
$text_color = imagecolorallocate($temp->image, $color['red'], $color['green'], $color['blue']);
imagestring($temp->image, $this->_font, $text_x, $text_y, $text, $text_color);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
// default values
$checkTransparency = false;
// define borders to trim away
if (is_null($this->_away)) {
$this->_away = array('top', 'right', 'bottom', 'left');
} elseif (is_string($this->_away)) {
$this->_away = array($this->_away);
}
// lower border names
foreach ($this->_away as $key => $value) {
$this->_away[$key] = strtolower($value);
}
// define base color position
switch (strtolower($this->_base)) {
case 'transparent':
case 'trans':
$checkTransparency = true;
$base_x = 0;
$base_y = 0;
break;
case 'bottom-right':
case 'right-bottom':
$base_x = $width - 1;
$base_y = $height - 1;
break;
default:
case 'top-left':
case 'left-top':
$base_x = 0;
$base_y = 0;
break;
}
// pick base color
if ($checkTransparency) {
// color will only be used to compare alpha channel
$color = array('red' => 255, 'green' => 255, 'blue' => 255, 'alpha' => 0);
} else {
$color = Color::intColorToArrayColor($this->_owner->imageColorAt($base_x, $base_y));
}
$top_x = 0;
$top_y = 0;
$bottom_x = $width;
$bottom_y = $height;
// search upper part of image for colors to trim away
if (in_array('top', $this->_away)) {
for ($y = 0; $y < ceil($height / 2); $y++) {
for ($x = 0; $x < $width; $x++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$top_y = max(0, $y - $this->_feather);
break 2;
}
}
}
}
// search left part of image for colors to trim away
if (in_array('left', $this->_away)) {
for ($x = 0; $x < ceil($width / 2); $x++) {
for ($y = $top_y; $y < $height; $y++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$top_x = max(0, $x - $this->_feather);
break 2;
}
}
}
}
// search lower part of image for colors to trim away
if (in_array('bottom', $this->_away)) {
for ($y = $height - 1; $y >= floor($height / 2) - 1; $y--) {
for ($x = $top_x; $x < $width; $x++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$bottom_y = min($height, $y + 1 + $this->_feather);
break 2;
}
}
}
}
// search right part of image for colors to trim away
if (in_array('right', $this->_away)) {
for ($x = $width - 1; $x >= floor($width / 2) - 1; $x--) {
for ($y = $top_y; $y < $bottom_y; $y++) {
$checkColor = Color::intColorToArrayColor($this->_owner->imageColorAt($x, $y));
if ($checkTransparency) {
$checkColor['red'] = $color['red'];
$checkColor['green'] = $color['green'];
$checkColor['blue'] = $color['blue'];
}
if (Color::differs($color, $checkColor, $this->_tolerance)) {
$bottom_x = min($width, $x + 1 + $this->_feather);
break 2;
}
}
}
}
$trimmed = new Canvas();
$trimmed->createImageTrueColorTransparent($bottom_x - $top_x, $bottom_y - $top_y);
// Preserve transparency
$transIndex = imagecolortransparent($this->_owner->image);
if ($transIndex != -1) {
$rgba = imagecolorsforindex($trimmed->image, $transIndex);
$transColor = imagecolorallocatealpha($trimmed->image, $rgba['red'], $rgba['green'], $rgba['blue'], 127);
imagefill($trimmed->image, 0, 0, $transColor);
imagecolortransparent($trimmed->image, $transColor);
} else {
imagealphablending($trimmed->image, false);
imagesavealpha($trimmed->image, true);
}
imagecopyresampled($trimmed->image, $this->_owner->image, 0, 0, $top_x, $top_y, $bottom_x - $top_x, $bottom_y - $top_y, $bottom_x - $top_x, $bottom_y - $top_y);
$this->_owner->image = $trimmed->image;
return true;
}
public function generate()
{
$width = $this->_owner->getImageWidth();
$height = $this->_owner->getImageHeight();
$distance = $this->_distance;
$matrix = $this->_matrix;
$matrix_width = count($matrix);
$matrix_sum = array_sum($matrix);
$m_offset = floor($matrix_width / 2);
$temp = new Canvas();
$temp->createImageTrueColorTransparent($width + $matrix_width * 2, $height + $matrix_width * 2);
imagecopy($temp->image, $this->_owner->image, $matrix_width, $matrix_width, 0, 0, $width, $height);
$w = $temp->getImageWidth();
$h = $temp->getImageHeight();
for ($y = 0; $y < $h; $y++) {
for ($x = 0; $x < $w; $x++) {
$t = $temp->imagecolorat($x, $y);
$t1 = Color::intColorToArrayColor($t);
$p[$x][$y]['r'] = $t1['red'];
$p[$x][$y]['g'] = $t1['green'];
$p[$x][$y]['b'] = $t1['blue'];
$p[$x][$y]['a'] = $t1['alpha'];
$p1[$x][$y]['r'] = 255;
$p1[$x][$y]['g'] = 255;
$p1[$x][$y]['b'] = 255;
$p1[$x][$y]['a'] = 127;
}
}
$w = $this->_owner->getImageWidth();
$h = $this->_owner->getImageHeight();
$d_offset = $distance - $matrix_width;
if ($this->_color != 'image') {
$arrColor = Color::hexColorToArrayColor($this->_color);
}
$temp->createImageTrueColorTransparent($width + $distance + $m_offset, $height + $distance + $m_offset);
imagesavealpha($temp->image, true);
imagealphablending($temp->image, true);
for ($i = $m_offset; $i < $w + $m_offset + $matrix_width; $i++) {
for ($j = $m_offset; $j < $h + $m_offset + $matrix_width; $j++) {
$sumr = 0;
$sumg = 0;
$sumb = 0;
$suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xx = $i - ($matrix_width >> 1) + $k;
$sumr += $p[$xx][$j]['r'] * $matrix[$k];
$sumg += $p[$xx][$j]['g'] * $matrix[$k];
$sumb += $p[$xx][$j]['b'] * $matrix[$k];
$suma += $p[$xx][$j]['a'] * $matrix[$k];
}
$p1[$i][$j]['r'] = $sumr / $matrix_sum;
$p1[$i][$j]['g'] = $sumg / $matrix_sum;
$p1[$i][$j]['b'] = $sumb / $matrix_sum;
$p1[$i][$j]['a'] = $suma / $matrix_sum;
}
}
for ($i = $m_offset; $i < $w + $m_offset + $matrix_width; $i++) {
for ($j = $m_offset; $j < $h + $m_offset + $matrix_width; $j++) {
$sumr = 0;
$sumg = 0;
$sumb = 0;
$suma = 0;
for ($k = 0; $k < $matrix_width; $k++) {
$xy = $j - ($matrix_width >> 1) + $k;
$sumr += $p1[$i][$xy]['r'] * $matrix[$k];
$sumg += $p1[$i][$xy]['g'] * $matrix[$k];
$sumb += $p1[$i][$xy]['b'] * $matrix[$k];
$suma += $p1[$i][$xy]['a'] * $matrix[$k];
}
if ($this->_color != 'image') {
$col = imagecolorallocatealpha($temp->image, $arrColor['red'], $arrColor['green'], $arrColor['blue'], $suma / $matrix_sum);
} else {
$col = imagecolorallocatealpha($temp->image, $sumr / $matrix_sum, $sumg / $matrix_sum, $sumb / $matrix_sum, $suma / $matrix_sum);
}
imagesetpixel($temp->image, $i + $d_offset, $j + $d_offset, $col);
}
}
imagecopy($temp->image, $this->_owner->image, 0, 0, 0, 0, $width, $height);
$this->_owner->image = $temp->image;
unset($temp);
return true;
}
private function analyseHsb()
{
foreach (array_keys($this->__count_colours) as $color) {
$arrColor = Color::intColorToArrayColor($color);
list($h, $s, $b) = $this->hsb($arrColor['red'], $arrColor['green'], $arrColor['blue']);
@$this->__count_hue[$h]++;
@$this->__count_saturation[$s]++;
@$this->__count_brightness[$b]++;
}
$this->__analyse_HSB_complete = true;
}
/**
* Allocate a color for an image.
*
* @param string $color
* @param int $alpha
*
* @return int
*/
public function imagecolorallocate($color = 'FFFFFF', $alpha = null)
{
if (is_string($color)) {
$arrColor = Color::hexColorToArrayColor($color);
} elseif (is_int($color)) {
$arrColor = Color::intColorToArrayColor($color);
$alpha = $arrColor['alpha'];
}
if ($alpha) {
return imagecolorallocate($this->image, $arrColor['red'], $arrColor['green'], $arrColor['blue']);
} else {
return imagecolorallocatealpha($this->image, $arrColor['red'], $arrColor['green'], $arrColor['blue'], intval($alpha));
}
}